As far as I only found step files I decides to create a (nearly) 1:1 copy in CAD OnShape:
So your are FREE to manipulate.
In summary the only difference in printing to all the OTHER "Bierkasten" is that mine ist
| Bierkasten-CAD_-_Adapter.stl | 64.1KB | |
| Bierkasten-CAD_-_Kasten.stl | 500.3KB | |
| CE3PRO_Bierkasten-CAD.gcode | 8.3MB | |
| CE3PRO_Bierkasten-CAD_-_Adapter.gcode | 224.8KB | |
| CE3PRO_BierkastenAA+Blocker.3mf | 301.3KB |
